<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="..." method="post">
		用户名:<input type="text" name="username"/><br/>
		密码:<input type="password" name="password"/><br/>
		<button type="submit">提交</button>
	</form>
</body>
</html>